单项选择题

A．To carry information that would help determine elevation.
B．To provide accurate weather reports.
C．To relay information from scientists around the world.
D．To indicate which route the mountain climbers should take.
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单项选择题
A．He is always late on Friday.B．He is most forgetful on Friday.C．He is always behind on his work on Friday.D．He prefers Friday mornings to; Monday mornings.
A．He is always late on Friday.
B．He is most forgetful on Friday.
C．He is always behind on his work on Friday.
D．He prefers Friday mornings to; Monday mornings.
单项选择题
A．Deposit some money in a bank.B．Read the lease carefully and sign it.C．Ask the landlord for a damage deposit.D．Sign the contract and pay a security deposit.
A．Deposit some money in a bank.
B．Read the lease carefully and sign it.
C．Ask the landlord for a damage deposit.
D．Sign the contract and pay a security deposit.
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